Home / 103,407.43-155,111.26-32,330.44

Finding the Fourth Proportional to 103,407.43, 155,111.26 and 32,330.44

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Solution

The fourth proportional to 103,407.43, 155,111.26 and 32,330.44 is: 48,495.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,407.43 : 155,111.26 = 32,330.44 : x
  2. Step 2: Convert to fraction form
    103,407.43/155,111.26 = 32,330.44/x
  3. Step 3: Cross multiply
    103,407.43x = 155,111.26 × 32,330.44
  4. Step 4: Simplify right side
    103,407.43x = 5,014,814,638.44
  5. Step 5: Solve for x
    x = 5,014,814,638.44/103,407.43
  6. Step 6: Final answer
    x = 48,495.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.